This alert expired on 12 August 2026 at 00:15 UTC. It is kept here as a record.
No stronger detection stands among the 78 recorded within 20 km of this point since 16 March 2026 — 40 others scored the same. Another comparable one was recorded here earlier the same day. 2 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Severe Thunderstorm Warning issued August 11 at 7:50PM EDT until August 11 at 8:15PM EDT by NWS Louisville KY
An estimated 909,379 people live within 50 km of this point.
Nearby, since 16 March 2026
- March 16, 2026 · score 48 · 3.7 km
- May 16, 2026 · score 48 · 9.2 km
- May 19, 2026 · score 48 · 14.4 km
How we know
Confirmed by 3 independent sources, including NOAA.
Our own score for this event is 48 out of 100, at 89 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Event Data
| Type | Severe weather |
| Severity | medium |
| Calamity Score (ours) | 48 / 100 |
| Our confidence | 89% |
| Coordinates | 38.4029, -86.0156 |
| Nearest City | New Albany (21 km) |
| Population Exposed | 909.4K within 50 km |
| Impact Tier | significant |
| Timestamp | 2026-08-11T23:50:00.000Z |
| Source | https://api.weather.gov/alerts/merged_Severe Thunderstorm Warning_noaa_urn:oid:2.49.0.1.840.0.dc145d1222e383bdbb4324545f806ecc |
Score Breakdown
Technical Details
| Event | Severe Thunderstorm Warning |
| Urgency | Immediate |
| Certainty | Observed |
| AreaDesc | Crawford, IN; Harrison, IN; Perry, IN; Breckinridge, KY; Meade, KY; Dearborn, IN; Ohio, IN; Ripley, IN; Switzerland, IN; Boone, KY; Carroll, KY; Crawford, IN; Harrison, IN |
| Headline | Severe Thunderstorm Warning issued August 11 at 7:50PM EDT until August 11 at 8:15PM EDT by NWS Louisville KY |
| Expires | 2026-08-11T20:15:00-04:00 |
| SenderName | NWS Louisville KY |
| HasExactCoords | true |
| MergedCount | 3 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.dc145d1222e383bdbb4324545f806eccd3d7feeb.001.1","noaa_urn:oid:2.49.0.1.840.0.2ec1771368708e1e6606ff1d187a4eb18792070a.002.1","noaa_urn:oid:2.49.0.1.840.0.35cfb47fd9b7500477bffc7155e7e21efdfdc559.001.1"] |
| Iem TypeSummary | H |
| Iem Magnitude | 1 |
| Iem Unit | Inch |
| Iem City | 3 S Salem |
| Iem County | Washington |
| Iem State | IN |
| Iem Wfo | LMK |
| MergedSources | [{"id":"iem_H_38.520_-86.350_1786490700000","source":"iem","severity":"low","severityValue":25,"timestamp":1786490700000,"latitude":38.52,"longitude":-86.35},{"id":"iem_H_38.560_-86.100_1786488600000","source":"iem","severity":"low","severityValue":25,"timestamp":1786488600000,"latitude":38.56,"longitude":-86.1}] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
Series begins 10 February 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
Want to know when something happens near New Albany?
Calamity.live data shows a weather event with CalamityScore 48/100, near New Albany (United States), based on data from noaa. Source: Calamity.live, a platform aggregating real-time data from 185 scientific monitoring sources.